Merge "Introduce spotbug plugin"
[cps.git] / cps-ri / src / main / java / org / onap / cps / spi / impl / CpsModulePersistenceServiceImpl.java
1 /*
2  * ============LICENSE_START=======================================================
3  *  Copyright (C) 2020 Nordix Foundation
4  *  Modifications Copyright (C) 2020 Bell Canada. All rights reserved.
5  *  ================================================================================
6  *  Licensed under the Apache License, Version 2.0 (the "License");
7  *  you may not use this file except in compliance with the License.
8  *  You may obtain a copy of the License at
9  *
10  *        http://www.apache.org/licenses/LICENSE-2.0
11  *  Unless required by applicable law or agreed to in writing, software
12  *  distributed under the License is distributed on an "AS IS" BASIS,
13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  *  See the License for the specific language governing permissions and
15  *  limitations under the License.
16  *
17  *  SPDX-License-Identifier: Apache-2.0
18  *  ============LICENSE_END=========================================================
19  */
20
21 package org.onap.cps.spi.impl;
22
23 import com.google.common.collect.ImmutableSet;
24 import java.util.Collection;
25 import java.util.List;
26 import java.util.Map;
27 import java.util.Set;
28 import java.util.stream.Collectors;
29 import javax.transaction.Transactional;
30 import org.onap.cps.spi.CpsModulePersistenceService;
31 import org.onap.cps.spi.entities.Dataspace;
32 import org.onap.cps.spi.entities.SchemaSet;
33 import org.onap.cps.spi.entities.YangResource;
34 import org.onap.cps.spi.exceptions.SchemaSetAlreadyDefinedException;
35 import org.onap.cps.spi.repository.DataspaceRepository;
36 import org.onap.cps.spi.repository.SchemaSetRepository;
37 import org.onap.cps.spi.repository.YangResourceRepository;
38 import org.springframework.beans.factory.annotation.Autowired;
39 import org.springframework.dao.DataIntegrityViolationException;
40 import org.springframework.stereotype.Component;
41 import org.springframework.util.DigestUtils;
42
43 @Component
44 public class CpsModulePersistenceServiceImpl implements CpsModulePersistenceService {
45
46     @Autowired
47     private YangResourceRepository yangResourceRepository;
48
49     @Autowired
50     private SchemaSetRepository schemaSetRepository;
51
52     @Autowired
53     private DataspaceRepository dataspaceRepository;
54
55     @Override
56     @Transactional
57     public void storeSchemaSet(final String dataspaceName, final String schemaSetName,
58         final Map<String, String> yangResourcesNameToContentMap) {
59
60         final Dataspace dataspace = dataspaceRepository.getByName(dataspaceName);
61         final Set<YangResource> yangResources = synchronizeYangResources(yangResourcesNameToContentMap);
62         final SchemaSet schemaSet = new SchemaSet();
63         schemaSet.setName(schemaSetName);
64         schemaSet.setDataspace(dataspace);
65         schemaSet.setYangResources(yangResources);
66         try {
67             schemaSetRepository.save(schemaSet);
68         } catch (final DataIntegrityViolationException e) {
69             throw new SchemaSetAlreadyDefinedException(dataspaceName, schemaSetName, e);
70         }
71     }
72
73     private Set<YangResource> synchronizeYangResources(final Map<String, String> yangResourcesNameToContentMap) {
74         final Map<String, YangResource> checksumToEntityMap = yangResourcesNameToContentMap.entrySet().stream()
75             .map(entry -> {
76                 final YangResource yangResource = new YangResource();
77                 yangResource.setName(entry.getKey());
78                 yangResource.setContent(entry.getValue());
79                 yangResource.setChecksum(DigestUtils.md5DigestAsHex(entry.getValue().getBytes()));
80                 return yangResource;
81             })
82             .collect(Collectors.toMap(
83                 YangResource::getChecksum,
84                 entity -> entity
85             ));
86
87         final List<YangResource> existingYangResources =
88             yangResourceRepository.findAllByChecksumIn(checksumToEntityMap.keySet());
89         existingYangResources.forEach(yangFile -> checksumToEntityMap.remove(yangFile.getChecksum()));
90
91         final Collection<YangResource> newYangResources = checksumToEntityMap.values();
92         if (!newYangResources.isEmpty()) {
93             yangResourceRepository.saveAll(newYangResources);
94         }
95
96         return ImmutableSet.<YangResource>builder()
97             .addAll(existingYangResources)
98             .addAll(newYangResources)
99             .build();
100     }
101
102     @Override
103     public Map<String, String> getYangSchemaResources(final String dataspaceName, final String schemaSetName) {
104         final Dataspace dataspace = dataspaceRepository.getByName(dataspaceName);
105         final SchemaSet schemaSet = schemaSetRepository.getByDataspaceAndName(dataspace, schemaSetName);
106         return schemaSet.getYangResources().stream().collect(
107             Collectors.toMap(YangResource::getName, YangResource::getContent));
108     }
109 }